21071062512

Names of 21071062512

• Cardinal: 21071062512 can be written as Twenty-one billion, seventy-one million, sixty-two thousand, five hundred twelve.

Scientific notation

• Scientific notation: 2.1071062512 × 10¹⁰

Factors of 21071062512

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 29046

Divisors of 21071062512

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 36 37 48 72 74 111 137 144 148 222 274 296 333 411 444 548 592 666 822 888 1096 1233 1332 1644 1776 2192 2466 2664 3288 4932 5069 5328 6576 9864 10138 15207 19728 20276 28867 30414 40552 45621 57734 60828 81104 86601 91242 115468 121656 173202 182484 230936 243312 259803 346404 364968 461872 519606 692808 729936 1039212 1068079 1385616 2078424 2136158 3204237 3954779 4156848 4272316 6408474 7909558 8544632 9612711 11864337 12816948 15819116 17089264 19225422 23728674 25633896 31638232 35593011 38450844 47457348 51267792 63276464 71186022 76901688 94914696 142372044 146326823 153803376 189829392 284744088 292653646 438980469 569488176 585307292 877960938 1170614584 1316941407 1755921876 2341229168 2633882814 3511843752 5267765628 7023687504 10535531256 21071062512
• Sum of all divisors σ(n): 61007668176
• Sum of proper divisors (its aliquot sum) s(n): 39936605664
• 21071062512 is an abundant number, because the sum of its proper divisors (39936605664) is greater than itself. Its abundance is 18865543152

Bases of 21071062512

• Binary: 10011100111111011101110010111110000₂
• Hexadecimal: 0x4E7EEE5F0
• Base-36: 9OH5ZW0

Squares and roots of 21071062512

• 21071062512 squared (21071062512²) is 443989675384611750144
• 21071062512 cubed (21071062512³) is 9355334204711741830133949001728
• The square root of 21071062512 is 145158.7493470511
• The cube root of 21071062512 is 2762.0326740093

Scales and comparisons

• 21,071,062,512 seconds is equal to 669 years, 51 weeks, 5 days, 55 minutes, 12 seconds.
• To count from 1 to 21,071,062,512 would take you about one thousand, three hundred thirty-nine years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 21071062512 cubic inches would be around 230.2 feet tall.

Recreational maths with 21071062512

• 21071062512 backwards is 21526017012
• The number of decimal digits it has is: 11
• The sum of 21071062512's digits is 27
• More coming soon!